Its (reincarnation) reality, however, serves to generate activity throughout time's framework as you understand it, to unite the species, to reinforce structures of knowledge, to transmit information, and perhaps most of all to reinforce relationships involving love, brotherhood, and cooperation between generations of men and women that would otherwise be quite separate and apart from each other. Through such relationships, for example, say, the cavemen and people of the 22nd century rub elbows, where in strict terms of time the species would seem to be quite disconnected form its earlier or later counterparts.

Session 931, Page 431 - Dreams, Evolution and Value Fulfillment, Volume Two, (1986)